DE3050630C2 - Digitale Filterschaltung - Google Patents

Digitale Filterschaltung

Info

Publication number
DE3050630C2
DE3050630C2 DE3050630A DE3050630A DE3050630C2 DE 3050630 C2 DE3050630 C2 DE 3050630C2 DE 3050630 A DE3050630 A DE 3050630A DE 3050630 A DE3050630 A DE 3050630A DE 3050630 C2 DE3050630 C2 DE 3050630C2
Authority
DE
Germany
Prior art keywords
signal
frequency
filter circuit
samples
sample
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3050630A
Other languages
German (de)
English (en)
Inventor
Bantval Yeshwant San Carlos Calif. Kamath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of DE3050630C2 publication Critical patent/DE3050630C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/88—Signal drop-out compensation
    • H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/026—Averaging filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
DE3050630A 1979-10-26 1980-10-24 Digitale Filterschaltung Expired DE3050630C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/088,719 US4251831A (en) 1979-10-26 1979-10-26 Filter and system incorporating the filter for processing discrete samples of composite signals

Publications (1)

Publication Number Publication Date
DE3050630C2 true DE3050630C2 (de) 1991-11-28

Family

ID=22213045

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3050630A Expired DE3050630C2 (de) 1979-10-26 1980-10-24 Digitale Filterschaltung
DE3040242A Expired DE3040242C2 (de) 1979-10-26 1980-10-24 Anordnung zur Durchführung einer Signalausfallkompensation in einem digital codierten zusammengesetzten Farbfernsehsignal

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3040242A Expired DE3040242C2 (de) 1979-10-26 1980-10-24 Anordnung zur Durchführung einer Signalausfallkompensation in einem digital codierten zusammengesetzten Farbfernsehsignal

Country Status (7)

Country Link
US (1) US4251831A (enrdf_load_stackoverflow)
JP (2) JPS5685927A (enrdf_load_stackoverflow)
BE (1) BE885879A (enrdf_load_stackoverflow)
CA (1) CA1155217A (enrdf_load_stackoverflow)
DE (2) DE3050630C2 (enrdf_load_stackoverflow)
FR (1) FR2469075B1 (enrdf_load_stackoverflow)
NL (1) NL8005878A (enrdf_load_stackoverflow)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491862A (en) * 1982-06-15 1985-01-01 Itt Industries, Inc. Color-television receiver with at least one digital integrated circuit for processing the composite color signal
US4591925A (en) * 1983-04-06 1986-05-27 Ampex Corporation Encoded dropout compensator system
US4528598A (en) * 1983-04-08 1985-07-09 Ampex Corporation Chrominance inverting all-pass filter
KR890005240B1 (ko) * 1983-10-18 1989-12-18 마쯔시다덴기산교 가부시기가이샤 영상신호 처리장치
JPS6086985A (ja) * 1983-10-18 1985-05-16 Matsushita Electric Ind Co Ltd ドロツプアウト補償装置
DE3533699A1 (de) * 1985-09-21 1987-03-26 Bosch Gmbh Robert Verfahren zur kompensation von signalausfaellen
US4760470A (en) * 1985-09-27 1988-07-26 Ampex Corporation Multi-standard adaptive dropout compensator
JPH06105984B2 (ja) * 1985-12-17 1994-12-21 パイオニア株式会社 Ｙ−ｃ分離回路
DE3607928A1 (de) * 1986-03-11 1987-09-17 Thomson Brandt Gmbh Schaltung zur digitalen kompensation eines determinierten stoersignals
US4782904A (en) * 1986-11-07 1988-11-08 Ohaus Scale Corporation Electronic balance
FR2624992B1 (fr) * 1987-12-21 1990-04-06 Comp Generale Electricite Generateur de signal temporel periodique genre fractal
US5379077A (en) * 1991-12-12 1995-01-03 Brooktree Corporation System for and method of, operating upon NTSC and PAL signals
US6008859A (en) * 1996-07-31 1999-12-28 Sanyo Electric Co., Ltd. Image data processing apparatus
US5982408A (en) * 1997-04-10 1999-11-09 Lexmark International, Inc. Method and apparatus for HSYNC synchronization
DE10007783A1 (de) * 2000-02-21 2001-08-23 Rohde & Schwarz Verfahren und Anordnung zur Daten- und Taktrückgewinnung bei einem biphase-codierten Datensignal
US7298418B2 (en) * 2004-02-06 2007-11-20 Broadcom Corporation Method and system for processing in a non-line locked system
EP1686812A1 (en) * 2005-01-28 2006-08-02 TTE Germany GmbH Method and transmitter for processing a video signal
US7706992B2 (en) * 2005-02-23 2010-04-27 Digital Intelligence, L.L.C. System and method for signal decomposition, analysis and reconstruction
US9319028B2 (en) 2005-02-23 2016-04-19 Vios Medical Singapore Pte. Ltd. Signal decomposition, analysis and reconstruction using high-resolution filter banks and component tracking
US9036088B2 (en) * 2013-07-09 2015-05-19 Archibald Doty System and methods for increasing perceived signal strength based on persistence of perception
US9421375B2 (en) * 2013-10-28 2016-08-23 Biotronik Se & Co. Kg Sensing unit for a tissue stimulator
US11602311B2 (en) 2019-01-29 2023-03-14 Murata Vios, Inc. Pulse oximetry system
JP7443952B2 (ja) * 2020-06-19 2024-03-06 沖電気工業株式会社 信号処理装置、信号処理プログラム及び信号処理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774511B2 (de) * 1967-07-19 1976-07-08 International Business Machines Corp., Armonk, N.Y. (V.St.A.) Digitalrechner zur bildung einer summenfunktion
US4075656A (en) * 1977-01-26 1978-02-21 Ampex Corporation Circuit for digitally encoding an analog television signal
US4143396A (en) * 1977-01-26 1979-03-06 Ampex Corporation Digital chrominance separating and processing system and method
DE2759867C2 (de) * 1976-10-29 1986-06-26 Ampex Corp., Redwood City, Calif. Anordnung zur Digitalisierung eines analogen, in vorgegebenem Phasenzusammenhang zu einem Bezugssignal stehenden Informationssignals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463874A (en) * 1966-05-25 1969-08-26 Minnesota Mining & Mfg Dropout compensator for ntsc color television
GB1436757A (en) * 1973-09-11 1976-05-26 Quantel Ltd Drop out compensation system
CA1083709A (en) * 1976-11-15 1980-08-12 Thomas V. Bolger Signal defect compensator
DE2810697C2 (de) * 1978-03-11 1987-01-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Trennung des Farbartsignals vom Leuchtdichtesignal bei Farbfernsehsignalen mit quadraturmodulierten Farbhilfsträgern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774511B2 (de) * 1967-07-19 1976-07-08 International Business Machines Corp., Armonk, N.Y. (V.St.A.) Digitalrechner zur bildung einer summenfunktion
DE2759867C2 (de) * 1976-10-29 1986-06-26 Ampex Corp., Redwood City, Calif. Anordnung zur Digitalisierung eines analogen, in vorgegebenem Phasenzusammenhang zu einem Bezugssignal stehenden Informationssignals
US4075656A (en) * 1977-01-26 1978-02-21 Ampex Corporation Circuit for digitally encoding an analog television signal
US4143396A (en) * 1977-01-26 1979-03-06 Ampex Corporation Digital chrominance separating and processing system and method

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
DEVEREUX, V.G. et al.: Digital video: Sub-Nyquist sampling of Pal colour signal. In: Proc. IEE, Vol. 125, No. 9, Sept. 1978, S. 779-786 *
GB-Z.: Electronics Letters, 31.3.77, Vol.13, No.7,S. 220, 221 *
HEITMANN, J. et al.: Bildübertragung mit redu- zierten Nachrichtenfluß/Teilaufgabe: System mit Quellencodierung zur Übertragung von Farbbild- signalen nach CCIR-Standards der 625-Zeilen-Norm. In: Forschungsbericht T80-146 des Bundesministe- riums für Forschung und Technologie, Dez. 1980 *
HEITMANN, J.: Ein systemkompatibles digitales Farbfernsehsignal. In: Rundfunktechn. MitteilungenJahrg. 20 (1976), H. 6, S. 236-241 *
RABINGER/GOLD: Theory and Application of Digital Signal Processing, 1975, ISBN 0-13-914101-4, S. 549-551
ROSSI, J.P.: Sub-Nyquist-Encoded PCM NTSC Color *
ROSSI, J.P.: Sub-Nyquist-Encoded PCM NTSC Color Television. In: SMPTE, März 1977, S. 48-57
US-B.: HAMMING, R.W.: Digitale Filters, 1977, S. 13 *
WESTON, M.:A PAL/YUV Digitalsystem for 625-Line International Connections. In: BBC Research Report1976/24, S. 1-12 *

Also Published As

Publication number Publication date
DE3040242A1 (de) 1981-04-30
FR2469075B1 (fr) 1985-12-13
US4251831A (en) 1981-02-17
FR2469075A1 (fr) 1981-05-08
JPH03263996A (ja) 1991-11-25
JPH0324118B2 (enrdf_load_stackoverflow) 1991-04-02
CA1155217A (en) 1983-10-11
DE3040242C2 (de) 1983-06-01
BE885879A (fr) 1981-02-16
JPS5685927A (en) 1981-07-13
NL8005878A (nl) 1981-04-28

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